3687349733 has 2 divisors, whose sum is σ = 3687349734. Its totient is φ = 3687349732.

The previous prime is 3687349711. The next prime is 3687349747. The reversal of 3687349733 is 3379437863.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3582860449 + 104489284 = 59857^2 + 10222^2 .

It is a cyclic number.

It is not a de Polignac number, because 3687349733 - 2²² = 3683155429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3687349763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843674866 + 1843674867.

It is an arithmetic number, because the mean of its divisors is an integer number (1843674867).

Almost surely, 2^3687349733 is an apocalyptic number.

It is an amenable number.

3687349733 is a deficient number, since it is larger than the sum of its proper divisors (1).

3687349733 is an equidigital number, since it uses as much as digits as its factorization.

3687349733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6858432, while the sum is 53.

The square root of 3687349733 is about 60723.5517159528. The cubic root of 3687349733 is about 1544.9156655998.

The spelling of 3687349733 in words is "three billion, six hundred eighty-seven million, three hundred forty-nine thousand, seven hundred thirty-three".